16809922 has 8 divisors (see below), whose sum is σ = 25232400. Its totient is φ = 8399124.

The previous prime is 16809913. The next prime is 16809931. The reversal of 16809922 is 22990861.

It is an interprime number because it is at equal distance from previous prime (16809913) and next prime (16809931).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3529 + ... + 6787.

It is an arithmetic number, because the mean of its divisors is an integer number (3154050).

Almost surely, 2^16809922 is an apocalyptic number.

16809922 is a deficient number, since it is larger than the sum of its proper divisors (8422478).

16809922 is a wasteful number, since it uses less digits than its factorization.

16809922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 16809922 is about 4099.9904877938. The cubic root of 16809922 is about 256.1662433386.

The spelling of 16809922 in words is "sixteen million, eight hundred nine thousand, nine hundred twenty-two".